1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2015 Freescale Semiconductor, Inc.
4 *
5 * Author: Chunhe Lan <Chunhe.Lan@freescale.com>
6 */
7
8 #include <common.h>
9 #include <console.h>
10 #include <environment.h>
11 #include <asm/spl.h>
12 #include <malloc.h>
13 #include <ns16550.h>
14 #include <nand.h>
15 #include <mmc.h>
16 #include <fsl_esdhc.h>
17 #include <i2c.h>
18
19 #include "t4rdb.h"
20
21 #define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000
22
23 DECLARE_GLOBAL_DATA_PTR;
24
get_effective_memsize(void)25 phys_size_t get_effective_memsize(void)
26 {
27 return CONFIG_SYS_L3_SIZE;
28 }
29
get_board_sys_clk(void)30 unsigned long get_board_sys_clk(void)
31 {
32 return CONFIG_SYS_CLK_FREQ;
33 }
34
get_board_ddr_clk(void)35 unsigned long get_board_ddr_clk(void)
36 {
37 return CONFIG_DDR_CLK_FREQ;
38 }
39
board_init_f(ulong bootflag)40 void board_init_f(ulong bootflag)
41 {
42 u32 plat_ratio, sys_clk, ccb_clk;
43 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
44
45 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
46 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
47
48 /* Update GD pointer */
49 gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
50
51 /* compiler optimization barrier needed for GCC >= 3.4 */
52 __asm__ __volatile__("" : : : "memory");
53
54 console_init_f();
55
56 /* initialize selected port with appropriate baud rate */
57 sys_clk = get_board_sys_clk();
58 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
59 ccb_clk = sys_clk * plat_ratio / 2;
60
61 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
62 ccb_clk / 16 / CONFIG_BAUDRATE);
63
64 puts("\nSD boot...\n");
65
66 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
67 }
68
board_init_r(gd_t * gd,ulong dest_addr)69 void board_init_r(gd_t *gd, ulong dest_addr)
70 {
71 bd_t *bd;
72
73 bd = (bd_t *)(gd + sizeof(gd_t));
74 memset(bd, 0, sizeof(bd_t));
75 gd->bd = bd;
76 bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
77 bd->bi_memsize = CONFIG_SYS_L3_SIZE;
78
79 arch_cpu_init();
80 get_clocks();
81 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
82 CONFIG_SPL_RELOC_MALLOC_SIZE);
83 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
84
85 mmc_initialize(bd);
86 mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
87 (uchar *)CONFIG_ENV_ADDR);
88
89 gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
90 gd->env_valid = ENV_VALID;
91
92 i2c_init_all();
93
94 dram_init();
95
96 mmc_boot();
97 }
98